Thank you for viewing. Please check the condition of the item in the photos. * Operation confirmed (it works, sort of). * DD51 can pull 7 cars. * EF81 can pull 6 cars. * The motor performance of both power cars has deteriorated. * The rubber tires are deteriorated. * Rust has formed on the axles. This item is a used product. Also, there are scratches and dirt due to aging. Please consider the power cars to be close to junk. Thank you for your understanding.